package servlet;

import hib.Surl;
import hib.SurlDAO;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class CreateShortUrlServ extends HttpServlet {

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doPost(request,response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html;charset=utf-8");
		String longUrl=(String)request.getParameter("longUrl");
		if(longUrl.isEmpty()){
			request.setAttribute("longUrl", "请不要输入空值");
		}else{
		Surl url=new Surl();
		SurlDAO dao=new SurlDAO();
		url.setUrl(longUrl);
		dao.save(url);
		String surl=request.getScheme()+"://"+request.getServerName();
		if(request.getServerPort()!=80)
			surl+=":"+request.getServerPort();
		if(request.getContextPath()!=null||!"".equals(request.getContextPath()))
		surl+=request.getContextPath();
		
		
		ChangeIdToInfo to=new ChangeIdToInfo();
		
		surl+="/"+to.toBeShort(url.getId());
		request.setAttribute("surl", surl);
		request.setAttribute("longUrl", longUrl);
		}
		
		request.getRequestDispatcher("index.jsp").forward(request, response);
		
		
	}

}
